client1.on('sessionCreated', function(data){
        client1.emit('joinSession', {roomId: data.id, username: 'Tester', type: 'player', sessionType: 'retrospective'});
        client2.emit('joinSession', {roomId: data.id, username: 'Tester2', type: 'player', sessionType: 'retrospective'});
        id = data.id;
      });